Registration Dossier
Registration Dossier
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EC number: 220-027-3 | CAS number: 2610-10-8
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.048 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.479 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.048 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 20 mg/L
- Assessment factor:
- 100
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.188 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.019 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 0.009 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
PNEC sediment using Equilibrium Partitioning Method:
The following formula is applied:
PNECsed= Ksusp-water p*PNECwater*1000/RHOsus
Where:
PNECwater | Predicted No Effect Concentration in water | [mg.l-1] | 0.0479 |
RHOsusp | bulk density of wet suspended matter | [kg.m-3] | 1150 |
Ksusp water | partition coefficient suspended matter water | [m3.m-3] | 0.979 |
PNECsed | Predicted No Effect Concentration in sediment | [mg.kg-1of wet sediment] | 0.0408 |
Dry weight: 0.0408 * 4.6 = 0.188
Ksusp water= Fwatersusp+ Fsolidsusp*Kpsusp/1000*RHOsolid
Kpsusp= Focsusp*Koc
The value of Ksusp-water of 0.979 is consistent with the calculated value with EUSES 2.1.1.
PNEC marine sediment using Equilibrium Partitioning Method:
Being marine PNEC usually derived by freshwater PNEC with an adding assessment factor of 10, consequently the marine sediment PNEC can be directly derived from PNEC sediment with an assessment factor of 10. Therefore PNEC marine sediments = 0.0408*0.1 = 0.00408 mg/kg.
Dry weight = 0.00408 * 4.6 = 0.0188
PNEC soil using Equilibrium Partitioning Method:
The following formula is applied:
PNECsoil= Ksoil-water *PNECwater*1000/RHOsoil
Where:
ECwater | Predicted No Effect Concentration in water | [mg.l-1] | 0.479 |
RHOsoil | bulk density of soil | [kg.m-3] | 1700 |
Ksoil water | partition coefficient soil water | [m3.m-3] | 0.295 |
PNECsoil | Predicted No Effect Concentration in soil | [mg.kg-1] | 0.00831 |
Dry weight = 0.00831*1.13 = 0.00939
Ksoil water= Fairsoil*Kair-waterl+Fwatersoil+ Fsolidsoil*Kpsoil/1000*RHOsolid
Ksoil water= Fairsoil*Kair-waterl+Fwatersoil+ Fsolidsoil*Kpsoil/1000*RHOsolid
Kpsoil= Focsoil*Koc
Conclusion on classification
Based on the results of the eco-tox tests, Direct Red 80 needs to be classified as Aq. Chronic 3, H412 under Regulation 1272/2008 (CLP) since the tested item shows toxicity on the test organisms with a EC50 (96h) = 47,9 mg/l.
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